curl --request POST \
  --url https://wmc.wiremockapi.cloud/v1/mock-apis/{mockApiId}/mappings/remove-by-metadata \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "matchesJsonPath": {
    "expression": "$.outer",
    "equalToJson": "{ \"inner\": 42 }"
  }
}
'